package soot.jimple.spark.ondemand.genericutil;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2007 Manu Sridharan
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * #L%
 */

public class Averager {

  private double curAverage;

  private long numSamples;

  public void addSample(double sample) {
    curAverage = ((curAverage * numSamples) + sample) / (numSamples + 1);
    numSamples++;
  }

  /**
   * @return
   */
  public double getCurAverage() {
    return curAverage;
  }

  /**
   * @return
   */
  public long getNumSamples() {
    return numSamples;
  }

}
